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authorJason A. Donenfeld <Jason@zx2c4.com>2016-01-14 16:53:28 +0300
committerJason A. Donenfeld <Jason@zx2c4.com>2016-01-14 17:42:56 +0300
commitc326f3eb026d67650f79a6dda9a1a42c55d10a25 (patch)
tree51b94c63164ea924eb019c2e3c1e0b290509549b /ui-plain.c
parent9ca2566972db968df4479108b29bb92551138b57 (diff)
ui-plain: add enable-html-serving flag
Unrestricts plain/ to contents likely to be executed by browser.
Diffstat (limited to 'ui-plain.c')
-rw-r--r--ui-plain.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/ui-plain.c b/ui-plain.c
index 58addab..ff85113 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -37,6 +37,16 @@ static int print_object(const unsigned char *sha1, const char *path)
mimetype = get_mimetype_for_filename(path);
ctx.page.mimetype = mimetype;
+ if (!ctx.repo->enable_html_serving) {
+ html("X-Content-Type-Options: nosniff\n");
+ html("Content-Security-Policy: default-src 'none'\n");
+ if (mimetype) {
+ /* Built-in white list allows PDF and everything that isn't text/ and application/ */
+ if ((!strncmp(mimetype, "text/", 5) || !strncmp(mimetype, "application/", 12)) && strcmp(mimetype, "application/pdf"))
+ ctx.page.mimetype = NULL;
+ }
+ }
+
if (!ctx.page.mimetype) {
if (buffer_is_binary(buf, size)) {
ctx.page.mimetype = "application/octet-stream";